[3.0] Add missing support for variant settings for members

Pulled from SimpleMachines#7933

Author: jdarwood007

Sources/Actions/Profile/ThemeOptions.php

@@ -43,6 +43,51 @@ public function execute(): void
 		Theme::loadTemplate('Settings');
 		Theme::loadSubTemplate('options');
 
+		// Check for variants or dark mode
+		if (!empty(Theme::$current->settings['theme_variants']) || !empty(Theme::$current->settings['has_dark_mode'])) {
+
+			Lang::load('Themes');
+			Utils::$context['additional_options'] = [];
+
+			// Theme Variants
+			if (!empty(Theme::$current->settings['theme_variants']) && (empty(Theme::$current->settings['disable_user_variant']) || User::$me->allowedTo('admin_forum'))) {
+				$available_variants = [];
+
+				foreach (Theme::$current->settings['theme_variants'] as $variant) {
+					$available_variants[$variant] = Lang::getTxt('variant_' . $variant, file: 'Themes') ?? $variant;
+				}
+
+				Utils::$context['additional_options'][] = Lang::getTxt('theme_opt_variant', file: 'Profile');
+				Utils::$context['additional_options'][] = [
+					'id' => 'theme_variant',
+					'label' => Lang::getTxt('theme_pick_variant', file: 'THemes'),
+					'options' => $available_variants,
+					'default' => isset(Theme::$current->settings['default_variant']) && !empty(Theme::$current->settings['default_variant']) ? Theme::$current->settings['default_variant'] : Theme::$current->settings['theme_variants'][0],
+					'enabled' => !empty(Theme::$current->settings['theme_variants']),
+				];
+			}
+
+			// Theme Color Mode
+			if (!empty(Theme::$current->settings['has_dark_mode']) && (empty(Theme::$current->settings['disable_user_mode']) || User::$me->allowedTo('admin_forum'))) {
+				$available_modes = [];
+
+				foreach (Theme::$current->settings['theme_colormodes'] as $mode) {
+					$available_modes[$mode] = Lang::getTxt('colormode_' . $mode, file: 'Themes') ?? $mode;
+				}
+
+				Utils::$context['additional_options'][] = Lang::getTxt('theme_opt_colormode', file: 'Profile');
+				Utils::$context['additional_options'][] = [
+					'id' => 'theme_colormode',
+					'label' => Lang::getTxt('theme_pick_colormode', file: 'Themes'),
+					'options' => $available_modes,
+					'default' => isset(Theme::$current->settings['default_colormode']) && !empty(Theme::$current->settings['default_colormode']) ? Theme::$current->settings['default_colormode'] : Theme::$current->settings['theme_colormodes'][0],
+					'enabled' => !empty(Theme::$current->settings['has_dark_mode']),
+				];
+			}
+
+			Utils::$context['theme_options'] = array_merge(Utils::$context['additional_options'], Utils::$context['theme_options']);
+		}
+
 		// Let mods hook into the theme options.
 		IntegrationHook::call('integrate_theme_options');